KATRINA SANDRA LAZ-RUPACZ (PA-C) – Physician Assistant, NPI 1346818697
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,091 PHYSICIAN ASSISTANT in MA
Provider Addresses for KATRINA SANDRA LAZ-RUPACZ (PA-C)
3455 MAIN ST STE 5
SPRINGFIELD, MA 011071147
Phone: (413) 733-9600
Fax: (413) 732-6534
Type: Mailing
1233 MAIN ST
HOLYOKE, MA 010405381
Phone: (413) 701-2600
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
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Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2021-09-15
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20210915003105 | I | Physician Assistant | MA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 35 | 31 | $0 |
Insurance plans in this area (ZIP 01107)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | MA | |
| Dermatology, Micrographic Dermatologic Surgery (Mds) | MA | |
| Physician Assistant | MA | |
| - | NY | |
| Physician Assistant | MA | |
| D E R M A T O L O G Y | MA | |
| Physician Assistant | MA | |
| P A T H O L O G Y | MA | |
| P A T H O L O G Y | MA | |
| D E R M A T O L O G Y | MA |
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